Measurement of atmospheric neutrino oscillations with the ANTARES neutrino telescope n: ANTARES Collaboration

S. Adrian-Martinez, I. Al Samarai, A. Albert, M. Andre, M. Anghinolfi, G. Anton, S. Anvar, M. Ardid, T. Astraatmadja, J. -J. Aubert, B. Baret, S. Basa, V. Bertin, S. Biagi, C. Bigongiari, C. Bogazzi, M. Bou-Cabo, B. Bouhou, M. C. Bouwhuis, J. Brunner*J. Busto, A. Capone, C. Carloganu, J. Carr, S. Cecchini, Z. Charif, Ph Charvis, T. Chiarusi, M. Circella, R. Coniglione, L. Core, H. Costantini, P. Coyle, A. Creusot, C. Curtil, G. De Bonis, M. P. Decowski, I. Dekeyser, A. Deschamps, C. Distefano, C. Donzaud, D. Dornic, Q. Dorosti, D. Drouhin, T. Eberl, U. Emanuele, A. Enzenhoefer, J. -P. Ernenwein, S. Escoffier, K. Fehn, P. Fermani, M. Ferri, S. Ferry, V. Flaminio, F. Folger, U. Fritsch, J. -L. Fuda, S. Galata, P. Gay, K. Geyer, G. Giacomelli, V. Giordano, A. Gleixner, J. P. Gomez-Gonzalez, K. Graf, G. Guillard, G. Hallewell, M. Hamal, H. van Haren, A. J. Heijboer, Y. Hello, J. J. Hernandez-Rey, B. Herold, J. Hoessl, C. C. Hsu, M. de Jong, M. Kadler, O. Kalekin, A. Kappes, U. Katz, O. Kavatsyuk, P. Kooijman, C. Kopper, A. Kouchner, I. Kreykenbohm, V. Kulikovskiy, R. Lahmann, G. Lambard, G. Larosa, D. Lattuada, D. Lefevre, G. Lim, D. Lo Presti, H. Loehner, S. Loucatos, F. Louis, S. Mangano, M. Marcelin, A. Margiotta, J. A. Martinez-Mora, A. Meli, T. Montaruli, M. Morganti, L. Moscoso, H. Motz, M. Neff, E. Nezri, D. Palioselitis, G. E. Pavalas, K. Payet, J. Petrovic, R. Piattelli, V. Popa, T. Pradier, E. Presani, C. Racca, C. Reed, G. Riccobene, C. Richardt, R. Richter, C. Riviere, A. Robert, K. Roensch, A. Rostovtsev, J. Ruiz-Rivas, M. Rujoiu, G. V. Russo, D. F. E. Samtleben, A. Sanchez-Losa, P. Sapienza, J. Schmid, J. Schnabel, F. Schoeck, J. -P. Schuller, F. Schuessler, T. Seitz, R. Shanidze, F. Simeone, A. Spies, M. Spurio, J. J. M. Steijger, Th Stolarczyk, M. Taiuti, C. Tamburini, A. Trovato, B. Vallage, C. Vallee, V. Van Elewyck, M. Vecchi, R. Vernin, E. Visser, S. Wagner, G. Wijnker, J. Wilms, E. de Wolf, H. Yepes, D. Zaborov, J. D. Zornoza, J. Zuniga

*Corresponding author for this work

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    Abstract

    The data taken with the ANTARES neutrino telescope from 2007 to 2010, a total live time of 863 days, are used to measure the oscillation parameters of atmospheric neutrinos. Muon tracks are reconstructed with energies as low as 20 GeV. Neutrino oscillations will cause a suppression of vertical upgoing muon neutrinos of such energies crossing the Earth. The parameters determining the oscillation of atmospheric neutrinos are extracted by fitting the event rate as a function of the ratio of the estimated neutrino energy and reconstructed flight path through the Earth. Measurement contours of the oscillation parameters in a two-flavour approximation are derived. Assuming maximal mixing, a mass difference of Delta m(32)(2) = (3.1 +/- 0.9) . 10(-3) eV(2) is obtained, in good agreement with the world average value. (C) 2012 Elsevier B.V. All rights reserved.

    Original languageEnglish
    Pages (from-to)224-230
    Number of pages7
    JournalPhysics Letters B
    Volume714
    Issue number2-5
    DOIs
    Publication statusPublished - 14-Aug-2012

    Keywords

    • Neutrino oscillations
    • Neutrino telescope
    • ANTARES
    • MUONS
    • FLUX
    • SYSTEM
    • WATER

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